Q: What are the prime factors of the number 124,351,101?

 A: 3, 7, 29, 2347

Why are those the prime factors of the number 124,351,101?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 124,351,101

124,351,101
Factor Arrows
341,450,367
Factor Arrows
313,816,789
Factor Arrows
71,973,827
Factor Arrows
2968,063
Factor Arrows
292,347

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 7, 29, 2347

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 29 x 29 x 2,347 = 124,351,101

This can also be written as 32 x 71 x 292 x 2,3471 = 124,351,101

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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